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author | Paul Phillips <paulp@improving.org> | 2012-03-20 20:15:45 -0700 |
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committer | Paul Phillips <paulp@improving.org> | 2012-03-20 20:15:45 -0700 |
commit | fcc63e2b667bdbaddbaacc843de97f8db02f6426 (patch) | |
tree | 9ee7bd6e4cb9e487a0d5c5b9c812a68c4c0ed025 /test/files/pos/t5589.scala | |
parent | 1c65152c7aaeb3aeaf8a5e39e6fd51e5b4b95836 (diff) | |
download | scala-fcc63e2b667bdbaddbaacc843de97f8db02f6426.tar.gz scala-fcc63e2b667bdbaddbaacc843de97f8db02f6426.tar.bz2 scala-fcc63e2b667bdbaddbaacc843de97f8db02f6426.zip |
Restore irrefutability commits.
This reverts commit d8ba5d091e5641553b438ef9930a6023a2709dcd.
Diffstat (limited to 'test/files/pos/t5589.scala')
-rw-r--r-- | test/files/pos/t5589.scala | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/test/files/pos/t5589.scala b/test/files/pos/t5589.scala new file mode 100644 index 0000000000..69cbb20391 --- /dev/null +++ b/test/files/pos/t5589.scala @@ -0,0 +1,22 @@ +class A { + // First three compile. + def f1(x: Either[Int, String]) = x.right map (y => y) + def f2(x: Either[Int, String]) = for (y <- x.right) yield y + def f3(x: Either[Int, (String, Int)]) = x.right map { case (y1, y2) => (y1, y2) } + // Last one fails. + def f4(x: Either[Int, (String, Int)]) = for ((y1, y2) <- x.right) yield ((y1, y2)) +/** +./a.scala:5: error: constructor cannot be instantiated to expected type; + found : (T1, T2) + required: Either[Nothing,(String, Int)] + def f4(x: Either[Int, (String, Int)]) = for ((y1, y2) <- x.right) yield ((y1, y2)) + ^ +./a.scala:5: error: not found: value y1 + def f4(x: Either[Int, (String, Int)]) = for ((y1, y2) <- x.right) yield ((y1, y2)) + ^ +./a.scala:5: error: not found: value y2 + def f4(x: Either[Int, (String, Int)]) = for ((y1, y2) <- x.right) yield ((y1, y2)) + ^ +three errors found +**/ +} |